CHRYSLER SERVICE MANUAL
ENGINE—155
8. INSTALLATION OF ROCKER ARM
AND SHAFT ASSEMBLY
Install push rods as shown in Figures 6 and
7. The push rods should be properly positioned
in rocker arm and tappets. Position rocker arm
assemblies and install cylinder head bolts.
Tighten bolts 85 foot-pounds torque in sequence
shown in Figures 8 and 9.
9. REMOVAL OF VALVES
AND VALVE SPRINGS
With cylinder head removed, compress valve
springs with Tool C-3428 (SpitFire Engines).
Tool C-3023 (FirePower Engines) and remove
valve retaining locks, valve spring retainers,
valve stem cup seals (intake valves only) and
valve springs. Remove burrs from valve stem
lock grooves to prevent damage to valve guide
when valves are removed.
10.
VALVE INSPECTION
Clean valves thoroughly, and discard burned,
warped or cracked valves. Check valve stems
for wear. Intake valve stems should measure
.372 to .373 inch, and exhaust valve stems
should measure .371 to .372 inch. If wear ex-
ceeds .002 inch, replace the valve. Remove car-
bon and varnish deposits from inside of valve
guides with cleaner, Tool C-756.
NOTE
On SpitFire Engines, the valve guides are cast
integrally with the cylinder head. Service valves
with oversize stems are available for these en-
gines.
INTAKE VALVE
CHECKING SLEEVE
EXHAUST VALVE
CHECKING SLEEVE
INTAKE VALVE
54x328
A
51x33A
Fig.
13—Installing Sleeves
To
Check Guide Clearance
(Firepower) (Typical
of
SpitFire)
Fig.
14—Checking Valve Guide Clearance (SpitFire)
(Typical
of
FirePower)
Check valve stem to guide clearance as fol-
lows :
Install sleeve, Tool C-3025, over intake valve
stem, and sleeve Tool C-3026 on exhaust valve
stem (Fig. 13) and install valves. These spec-
ial sleeves place valve at working height for
easy checking with a dial indicator. Attach dial
indicator Tool C-3339 to cylinder head and set
it at right angle to edge of valve being checked
(Fig. 14). Move valve to and from indicator.
The total dial indicator reading should not ex-
ceed .008 in. on intake valves, or .014 inch on
exhaust valves. If readings exceed the above
tolerances, install new valve guides (FirePow-
er Engines), or ream guides for oversize valves
(SpitFire Engines), to next oversize (if other
than standard).
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